def main():
    x = int(input())

    print((2000-x)//200 + 1 if x %200 != 0 else (2000-x)//200)


if __name__ == '__main__':
    main() def main():
    x = int(input())

    print((2000-x)//200 + 1 if x %200 != 0 else (2000-x)//200) main x = int(input()) x int(input()) int input() input print((2000-x)//200 + 1 if x %200 != 0 else (2000-x)//200) print (2000-x)//200 + 1 if x %200 != 0 else (2000-x)//200 x %200 != 0 x %200 x 200 0 (2000-x)//200 + 1 (2000-x)//200 2000-x 2000 x 200 1 (2000-x)//200 2000-x 2000 x 200 if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main def main():
    x = int(input())

    print((2000-x)//200 + 1 if x %200 != 0 else (2000-x)//200) def main():
    x = int(input())

    print((2000-x)//200 + 1 if x %200 != 0 else (2000-x)//200) main
def main():
    x = int(input())

    print((2000-x)//200 + 1 if x %200 != 0 else (2000-x)//200)


if __name__ == '__main__':
    main()
